<?php

declare(strict_types=1);
/**
 * Calendar App
 *
 * @copyright 2021 Anna Larch <anna.larch@gmx.net>
 *
 * @author Anna Larch <anna.larch@gmx.net>
 * @author Richard Steinmetz <richard@steinmetz.cloud>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Gestion\Service;

use DateTime;
use OCA\Gestion\Db\Bdd;
use OCA\Gestion\Helpers\DateHelpers;
use OCP\Files\IRootFolder;

class InvoicePdfService {
	/** @var Bdd */
	private $gestionBdd;

    /** @var IRootFolder */
	private $rootFolder;

    private const DEFAULT_NEXTCLOUD_ADMIN = "admin";
	public function __construct(
		Bdd $gestionBdd,
        IRootFolder $rootFolder) {
        $this->gestionBdd = $gestionBdd;
        $this->rootFolder = $rootFolder;
	}

    private function getLogo(){
        $storage = $this->rootFolder->getUserFolder(self::DEFAULT_NEXTCLOUD_ADMIN);
		try{
			try {
				if(isset($storage)){
					$file = $storage->get('/.gestion/logo.png');
				}else{
					return "nothing";
				}
			} catch(\OCP\Files\NotFoundException $e) {
				$file = $storage->get('/.gestion/logo.jpeg');
			}
		}
		catch(\OCP\Files\NotFoundException $e) {
			return "nothing";
		}

		return base64_encode($file->getContent());
	}

    public function generateFacturePdfByFactureId($factureId,$idNextCloud){
        $storage = $this->rootFolder->getUserFolder($idNextCloud);
        $configs = json_decode($this->gestionBdd->getConfiguration(self::DEFAULT_NEXTCLOUD_ADMIN));
		$currentConfig = $configs[0];
		$logo = $this->getLogo();
		$invoicePdfData = $this->gestionBdd->getInvoicePdfData($factureId,$currentConfig);
		if($invoicePdfData == null){
			return "";
		}
        $clean_folder = html_entity_decode($currentConfig->path).'/';
        $factureFolders = $this->getFacturesFolder($invoicePdfData,$clean_folder);
        $pdf = new InvoicePdfHandler();
        $pdf->InvoicePdfFactory($invoicePdfData,$logo);
        $pdfContent = $pdf->GetFactureContent();
        $pdfFilename = $pdf->GetFilename();
        $filenames = [];
        foreach($factureFolders as $folder){
            try {
                $storage->newFolder($folder);
            } 
            catch(\OCP\Files\NotPermittedException $e) {
            }
            $ff_pdf = $folder.$pdfFilename.'.pdf';	
            $storage->newFile($ff_pdf);
            $file_pdf = $storage->get($ff_pdf);
            $file_pdf->putContent($pdfContent);
            $filenames[] = $ff_pdf;
        }
        return $filenames;
    }
    
    private function getFacturesFolder(array $factureData,$racinePath){
        $clientRacineFolder = $racinePath.'CLIENTS/'.strtoupper($factureData["client_entreprise"]).'/';
        $defuntsFolder = $clientRacineFolder.'DEFUNTS/'.strtoupper($factureData['defunt_nom']).'/'.'FACTURES'.'/';
        $devisDate = $factureData['devis_date'];
        $devisDatetime = new DateTime($devisDate);
        $devisDateYear = $devisDatetime->format('Y');
        $devisMonth = DateHelpers::GetDateWithFormatDayAndMonthPlainString($factureData['devis_date']);
        $factureByYearFolder = $clientRacineFolder."$devisDateYear".'/'.$devisMonth.'/'.'FACTURES'.'/';
        return [
            $defuntsFolder,
            $factureByYearFolder
        ];
    }

    public function generateFacturePdfByFactureIds(array $factureIds,$idNextCloud){
        foreach( $factureIds as $factureId ){
            $this->generateFacturePdfByFactureId($factureId,$idNextCloud);
        }
    }
}